World's happiest countries:

1. 🇫🇮 Finland
2. 🇩🇰 Denmark
3. 🇮🇸 Iceland
4. 🇸🇪 Sweden
5. 🇳🇱 Netherlands
6. 🇨🇷 Costa Rica
7. 🇳🇴 Norway
8. 🇮🇱 Israel
9. 🇱🇺 Luxembourg
10. 🇲🇽 Mexico
11. 🇦🇺 Australia
12. 🇳🇿 New Zealand
13. 🇨🇭 Switzerland
14. 🇧🇪 Belgium
15. 🇮🇪 Ireland
16. 🇱🇹 Lithuania
17. 🇦🇹 Austria
18. 🇨🇦 Canada
19. 🇸🇮 Slovenia
20. 🇨🇿 Czechia
21. 🇦🇪 UAE
22. 🇩🇪 Germany
23. 🇬🇧 United Kingdom
24. 🇺🇸 United States
25. 🇧🇿 Belize
26. 🇵🇱 Poland
27. 🇹🇼 Taiwan 
28. 🇺🇾 Uruguay
29. 🇽🇰 Kosovo
30. 🇰🇼 Kuwait
31. 🇷🇸 Serbia
32. 🇸🇦 Saudi Arabia
33. 🇫🇷 France
34. 🇸🇬 Singapore
35. 🇷🇴 Romania
36. 🇧🇷 Brazil
37. 🇸🇻 El Salvador
38. 🇪🇸 Spain
39. 🇪🇪 Estonia
40. 🇮🇹 Italy

Source: World Happiness Report